Test: better random u64 generator
This commit is contained in:
parent
05e3933c06
commit
bb001af0e8
2 changed files with 8 additions and 13 deletions
|
@ -43,23 +43,17 @@ int bt_result; /* Overall program run result */
|
|||
int bt_suite_result; /* One suit result */
|
||||
char bt_out_fmt_buf[1024]; /* Temporary memory buffer for output of testing function */
|
||||
|
||||
long int
|
||||
bt_random(void)
|
||||
{
|
||||
/* Seeded in bt_init() */
|
||||
long int rand_low, rand_high;
|
||||
|
||||
rand_low = random();
|
||||
rand_high = random();
|
||||
return (rand_low & 0xffff) | ((rand_high & 0xffff) << 16);
|
||||
}
|
||||
u64 bt_random_state[] = {
|
||||
0x80241f302bd4d95d, 0xd10ba2e910f772b, 0xea188c9046f507c5, 0x4c4c581f04e6da05,
|
||||
0x53d9772877c1b647, 0xab8ce3eb466de6c5, 0xad02844c8a8e865f, 0xe8cc78080295065d
|
||||
};
|
||||
|
||||
void
|
||||
bt_init(int argc, char *argv[])
|
||||
{
|
||||
int c;
|
||||
|
||||
srandom(BT_RANDOM_SEED);
|
||||
initstate(BT_RANDOM_SEED, (char *) bt_random_state, sizeof(bt_random_state));
|
||||
|
||||
bt_verbose = 0;
|
||||
bt_filename = argv[0];
|
||||
|
|
|
@ -33,7 +33,8 @@ extern const char *bt_test_id;
|
|||
void bt_init(int argc, char *argv[]);
|
||||
int bt_exit_value(void);
|
||||
int bt_test_suite_base(int (*test_fn)(const void *), const char *test_id, const void *test_fn_argument, int forked, int timeout, const char *dsc, ...);
|
||||
long int bt_random(void);
|
||||
static inline u64 bt_random(void)
|
||||
{ return ((u64) random() & 0xffffffff) | ((u64) random() << 32); }
|
||||
|
||||
void bt_log_suite_result(int result, const char *fmt, ...);
|
||||
void bt_log_suite_case_result(int result, const char *fmt, ...);
|
||||
|
@ -41,7 +42,7 @@ void bt_log_suite_case_result(int result, const char *fmt, ...);
|
|||
#define BT_TIMEOUT 5 /* Default timeout in seconds */
|
||||
#define BT_FORKING 1 /* Forking is enabled in default */
|
||||
|
||||
#define BT_RANDOM_SEED 982451653
|
||||
#define BT_RANDOM_SEED 0x5097d2bb
|
||||
|
||||
#define BT_BUFFER_SIZE 10000
|
||||
|
||||
|
|
Loading…
Reference in a new issue